123052300100440 has 64 divisors (see below), whose sum is σ = 277039312992000. Its totient is φ = 49190412973440.

The previous prime is 123052300100423. The next prime is 123052300100449. The reversal of 123052300100440 is 44001003250321.

It is a super-3 number, since 3×123052300100440³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123052300100449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657198435 + ... + 657385645.

It is an arithmetic number, because the mean of its divisors is an integer number (4328739265500).

Almost surely, 2^{123052300100440} is an apocalyptic number.

123052300100440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123052300100440 is an abundant number, since it is smaller than the sum of its proper divisors (153987012891560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123052300100440 is a wasteful number, since it uses less digits than its factorization.

123052300100440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197320 (or 197316 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 123052300100440 its reverse (44001003250321), we get a palindrome (167053303350761).

The spelling of 123052300100440 in words is "one hundred twenty-three trillion, fifty-two billion, three hundred million, one hundred thousand, four hundred forty".